Tenma 72-7630 - Display Setting Controls; Vertical Control Panel; Horizontal Control Panel; Trigger System

5
DISPLAY SETTING CONTROLS
Using the Autoset function
• Connect the signal to be measured to the signal input channel.
• Press AUTO and the oscilloscope will scan the time base and trigger mode and set
the vertical deection factor. You can manually adjust further after this process to
get the optimum display.
Vertical control panel
• The POSITION control centres the waveform in
the display.
• Press CH1, CH2, CH3, CH4, MATH or
REFERENCE and the screen shows the
corresponding operation menu, sign, waveform
and range status information.
• Use VOLTS/DIV (CH1, CH2, CH3, CH4) to set
the vertical gratitude factor.
• Press OFF to disable the selected channel.
Horizontal control panel
• Horizontal position control adjusts the position of the waveform window by
adjusting the trigger shift of the signal.
• The horizontal scale adjustment changes the SEC/DIV time base range
and the current status indicator will change accordingly.
• The horizontal scanning rate range is 5ns - 50ns in steps of 1-2-5.
Note: the horizontal scanning time base range varies between models - see
table in specication section.
Trigger system
• The trigger level rotary control adjusts the trigger level. The display value changes
on the display as you make adjustment.
• Press MENU to select the trigger options.
• Press F1 and set EDGE TRIGGER.
• Press F2 and set SIGNAL SOURCE to CH1.
• Press F3 then F1 and set DC as
COUPLING.
• Press F4 then F1 and set MODE as
AUTO.
• Press F5 then F2 and set RISE for
SLOPE.